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Ken Wallentine

Law Enforcement and the Law

Ken Wallentine is the chief of the West Jordan (Utah) Police Department and former chief of law enforcement for the Utah Attorney General. He has served over four decades in public safety, is a legal expert and editor of Xiphos, a monthly national criminal procedure newsletter. He is a member of the Board of Directors of the Institute for the Prevention of In-Custody Death and serves as a use of force consultant in state and federal criminal and civil litigation across the nation.

LATEST ARTICLES
The video led to a frisk and concealed firearm discovery, sparking debate over reasonable suspicion and the legality of the search
In U.S. v. Jackson, a priest questions the validity of a search warrant based on insufficient “place to be searched”
U.S. v. Pena examines the legality of voluntary confession in a coerced rape case involving a confession and its admission in court
Examining conflicting court rulings on geofence warrants, highlighting concerns over privacy, constitutionality and law enforcement tactics
Court assesses reliability of photo array identification in United States v. Ruiz, where key ID evidence led to a conviction
How drug detection dog reliability in traffic stops impacted U.S. v. Collier, where a K-9 alert led to a drug conviction
In Quinn v. Zerkle, the 4th Circuit weighs the legality of implied consent after a door opens following a police pursuit, while upholding the use of force in a rapidly evolving confrontation
Agents built a case against Ronald Carmona, using phone data and controlled buys to prove fentanyl distribution
How should officers respond to an ambiguous request for counsel following the Miranda warning?
In U.S. v. Chatrie, the 4th Circuit upheld geofence warrant data linking Chatrie to a robbery, ruling it didn’t violate the 4th Amendment